In iguanas, warty tails is a recessive characteristic which sometimes appears. The normal tail has smooth skin. If a warty tailed iguana is mated to a homozygous smooth iguana, will any of their offspring have warts? Why or why not?

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

friedrich meischer discovered it in white blood cell

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.